Across
- 3. Earthquakes are caused by what
- 7. The outermost layer and thinnest layer
- 9. What the core is mostly made up of
- 10. A machine scientists use to study the waves
- 11. The Earth is mostly made of rock and
- 12. The layer that comes after the crust
Down
- 1. The earth's crust can either be continental or
- 2. The inner and outer core are about as large as this planet
- 4. The mantle moves slowly because of volcanic eruptions and
- 5. What heats the mantle
- 6. Core A layer of the Earth that is liquid
- 8. When all of the tectonic plates came together
- 10. The state of matter the crust is